Add API.py

API.py

+from typing import Optional
+from fastapi import FastAPI, Request
+from pydantic import BaseModel
+from transformers import AutoTokenizer, AutoModel
+import uvicorn, json, time, datetime, os, platform
+
+app = FastAPI()
+@app.post("/")
+async def create_item(request: Request):
+    global history, model, tokenizer
+    jsonPostRaw = await request.json()
+    jsonPost = json.dumps(jsonPostRaw)
+    jsonPostList = json.loads(jsonPost)
+    prompt = jsonPostList.get('prompt')
+    response, history = model.chat(tokenizer, prompt, history=history)
+    now = datetime.datetime.now()
+    time = now.strftime("%Y-%m-%d %H:%M:%S")
+    answer = {
+        "response":response,
+        "status":200,
+        "time":time
+    }
+    log = "["+time+"] "+'device:"'+jsonPostList.get('device')+'", prompt:"'+prompt+'", response:"'+repr(response)+'"'
+    print(log)
+    return answer
+
+if __name__ == '__main__':
+    uvicorn.run('API:app',host='0.0.0.0',port=8000,workers=1)
+
+history = []
+tokenizer = AutoTokenizer.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True)
+model = AutoModel.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True).half().quantize(4).cuda()
+model = model.eval()